minor: flake8 fix

Author: homholueng

runtime/bk-plugin-runtime/bk_plugin_runtime/config/default.py

@@ -18,7 +18,7 @@
 BKPAAS_ENVIRONMENT = os.getenv("BKPAAS_ENVIRONMENT", "dev")
 
 # 请在这里加入你的自定义 APP
-INSTALLED_APPS += (
+INSTALLED_APPS += (  # noqa
     "rest_framework",
     "drf_yasg",
     "bk_plugin_framework.runtime.loghub",